Pulley assembly



FIG. 1 is a side view of a pulley assembly in accordance with the present design;

FIG. 2 is a view taken along line 2—2 in FIG. 1;

FIG. 3 is a view taken along line 3—3 in FIG. 1; and,

FIG. 4 is a view taken along line 4—4 in FIG. 1. 

The ornamental design for a pulley assembly, as shown and described. 